Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 458 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
3. 3.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
4. 4.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic
5. 5.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) a mirror (d) tiny paper bits
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
7. 7.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) puffed rice (d) dry hair
8. 8.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
11. 11.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a steel spoon (d) puffed rice
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
16. 16.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
17. 17.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
21. 21.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
22. 22.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
24. 24.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a brick
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) dry hair (d) tiny paper bits
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) distance to the paper (d) the same comb
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) dry hair
31. 31.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a plastic comb (d) tiny paper bits
34. 34.True or false: yeast is not needed for the static comb. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a pebble (d) puffed rice
36. 36.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
39. 39.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) a magnet
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair

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